<!DOCTYPE HTML>
<style type="text/css">

div {
  height: 200px; width: 200px; overflow: hidden;
  font-size: 50px;
}
span {
  box-shadow: 210px 210px 2px gray;

  /* work around potential font overflow */
  margin-left: 5px;
}

</style>
<div>
<span>text</span>
</div>
